@function p2r($size){
	@return ($size/32)*1rem;
}
body{
	width: p2r(20);
}

@mixin bgc($url,$width) {
	background: url($url) no-repeat center / 100% 100%;
	position: absolute;
	margin-left: ($width/32/2)*1rem;
}
.baer-box{
	@include bgc('../images/circle1.png',200)
}
